File:Petrología Metamórfica- Granates 01.jpg
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[edit]DescriptionPetrología Metamórfica- Granates 01.jpg |
Español: Muestra de Roca metamórfica (Metapelita), vista al microscopio con un aumento de 5X (diámetro de 4 mm) a nícoles cruzados. Destacan los cristales de granate inmersos en una matriz de micas, cuarzo y minerales opacos.
Posee textura lepidoporfidoblastica, la cual tiene relación con las micas entrecrecidas y homogéneamente orientadas. Ademas tiene esquistosidad,lo que se identifica con la orientación de granos de micas en paralelo. Se asocia un grado intermedio de metamorfismo, con condiciones de Temperatura y Presión de medio- alta. En cuanto a la mineralogía observada en el corte (mineral, % , rango de tamaño): Granate,10%, (≈1 mm - ≈2,4 mm) Biotitas /Micas, 40%, (microcristalina) Cuarzo, 40%, (microcristalino) Minerales Opacos, 10%, (≈0,7 mm)English: Sample of Metamorphic Rock (Metapelite), seen under a microscope with a 5X magnification (diameter of 4 mm) at crossed nycols. They emphasize the garnet crystals immersed in a matrix of micas, quartz and opaque minerals. It has lepidoporfidoblastic texture, which is related to the micas entrecrecidas and homogenously oriented. It also has schistosity, which is identified with the orientation of grain micas in parallel. An intermediate degree of metamorphism is associated, with medium-high temperature and pressure conditions. Regarding the mineralogy observed in the cut (mineral,%, size range): Garnet, 10%, (≈1 mm - ≈2.4 mm) Biotites / Micas, 40%, (microcrystalline) Quartz, 40%, (microcrystalline) Opaque minerals, 10%, (≈0.7 mm) |
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Source | Own work |
Author | Qui.Anita |
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current | 20:06, 19 November 2017 | ![]() | 1,836 × 3,264 (2.8 MB) | Qui.Anita (talk | contribs) | User created page with UploadWizard |
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Camera manufacturer | samsung |
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Camera model | SM-J320M |
Exposure time | 1/20 sec (0.05) |
F-number | f/2.2 |
ISO speed rating | 125 |
Date and time of data generation | 10:27, 2 November 2017 |
Lens focal length | 3.3 mm |
Width | 3,264 px |
Height | 1,836 px |
Orientation | Rotated 90° CCW |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | J320MUBU0AQG3 |
File change date and time | 10:27, 2 November 2017 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 10:27, 2 November 2017 |
Meaning of each component |
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APEX aperture | 2.3 |
APEX exposure bias | 0 |
Maximum land aperture | 2.3 APEX (f/2.22) |
Metering mode | Center weighted average |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 10 |
DateTimeOriginal subseconds | 100 |
DateTimeDigitized subseconds | 20 |
Supported Flashpix version | 1 |
Color space | sRGB |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Unique image ID | IMAGE 2017:11:02 10:27:19 |